<template>

	<div class="product-add">
		<el-form size="small" ref="form" :model="form" label-width="100px">
			<div class="common-form">商品推荐</div>
			<el-form-item label="商品推荐">
				<el-radio-group v-model="form.is_recommend">
					<el-radio :label="0">关</el-radio>
					<el-radio :label="1">开</el-radio>
				</el-radio-group>
			</el-form-item>
			<el-form-item label="模块名称" :rules="[{ required: true, message: ' ' }]" prop="name">
				<el-input v-model="form.name" placeholder="请输入模块名称" class="max-w460"
					:disabled="form.is_recommend == 0 ? true : false"></el-input>
			</el-form-item>
			<el-form-item label="展示位置">
				<el-checkbox-group v-model="form.location">
					<el-checkbox v-for="(item, index) in all_type" :label="item.value" :key="index"
						:disabled="form.is_recommend == 0 ? true : false">{{ item.name }}</el-checkbox>
				</el-checkbox-group>
			</el-form-item>
			<el-form-item label="推荐商品">
				<el-radio-group v-model="form.choice">
					<el-radio :label="0" :disabled="form.is_recommend == 0 ? true : false">按条件选择</el-radio>
					<el-radio :label="1" :disabled="form.is_recommend == 0 ? true : false">自定义选择</el-radio>
				</el-radio-group>
			</el-form-item>
			<el-form-item label="" v-if="form.choice == 0">
				<el-select v-model="type" placeholder="" :disabled="form.is_recommend == 0 ? true : false">
					<el-option v-for="(item, index) in showType" :label="item.name" :value="item.value"
						:key="item.value"></el-option>
				</el-select>
			</el-form-item>

			<el-form-item label="" v-if="form.choice == 0">
				<el-select v-model="num" placeholder="" :disabled="form.is_recommend == 0 ? true : false">
					<el-option v-for="(item, index) in showNum" :label="item.name" :value="item.value"
						:key="index"></el-option>
				</el-select>
			</el-form-item>

			<el-form-item size="small" label="" v-if="form.choice == 1">
				<el-col>
					<div class="common-level-rail">
						<el-button size="small" icon="Plus" @click="addClick">添加商品</el-button>
					</div>
				</el-col>
				<el-col>
					<div class="pb50">
						<el-table size="small" :data="tableData" border>
							<el-table-column label="图片" width="60">
								<template #default="scope">
									<img :width="30" v-img-url="scope.row.product_image" /> 
								</template>
							</el-table-column>
							<el-table-column prop="product_name" label="商品"></el-table-column>
							<el-table-column label="排序" width="100">
								<template #default="scope">
									<el-input v-model="scope.row.sort" type="number"
										:disabled="form.is_recommend == 0 ? true : false"></el-input>
								</template>
							</el-table-column>
							<el-table-column fixed="right" label="操作" width="90">
								<template #default="scope">
									<el-button @click="deleteClick(scope.row)" link type="primary" size="small"
										:disabled="form.is_recommend == 0 ? true : false">删除</el-button>
								</template>
							</el-table-column>
						</el-table>
					</div>
				</el-col>
			</el-form-item>
			<!--提交-->
			<div class="common-button-wrapper">
				<el-button type="primary" size="small" @click="onSubmit" :loading="loading">提交</el-button>
			</div>
		</el-form>
		<!--选择商品-->
		<Product :isproduct="isproduct" @closeDialog="closeProductDialogFunc($event)">商品列表弹出层</Product>
	</div>
</template>

<script>
import {
	getData,
	saveData
} from '@/api/recommend.js';
import Product from '@/components/product/Product.vue';
export default {
	components: {
		/*商品选择*/
		Product,
	},
	data() {
		return {
			form: {
				is_recommend: 0,
				choice: 0,
				location: [],
				name: '',
			},
			all_type: [{
				name: '购物车',
				value: 10,
			},
			{
				name: '支付完成页',
				value: 30,
			},
			],
			showType: [{
				name: '根据销量降序展示',
				value: 10,
			},
			{
				name: '根据添加商品时间降序展示',
				value: 20,
			},
			{
				name: '根据人气降序展示',
				value: 30,
			},
			],
			showNum: [{
				name: '显示当前20个',
				value: 20,
			},
			{
				name: '显示当前30个',
				value: 30,
			},
			{
				name: '显示当前50个',
				value: 50,
			},
			],
			type: 10,
			num: 20,
			tableData: [],
			product_arr: [],
			isproduct: false,
			Data: [],
			loading: false,
		};
	},
	created() {
		/*获取数据*/
		this.getData();
	},
	methods: {
		/*获取当前数据*/
		getData() {
			let self = this;
			let Params = {};
			getData(Params, true)
				.then((data) => {
					self.loading = false;
					self.form = data.data.vars.values;
					// 转成整数，兼容组件
					for (let i = 0; i < self.form.location.length; i++) {
						self.form.location[i] = parseInt(self.form.location[i]);
					}
					if (self.form.choice == 1) {
						self.product_arr = data.data.product_arr;
						self.tableData = self.form.product;
					} else {
						self.type = parseInt(self.form.type);
						self.num = parseInt(self.form.num);
					}
					self.form.is_recommend = parseInt(self.form.is_recommend);
					self.form.choice = parseInt(self.form.choice);
				})
				.catch((error) => {
					self.loading = false;
				});
		},

		/**
			 * 保存数据
			 */
		onSubmit() {
			let self = this;
			let params = self.form;

			if (params.choice == 1) {
				params.product = self.tableData;
			} else {
				params.type = self.type;
				params.num = self.num;
			}
			if (!self.checkData(params)) {
				return false;
			}
			self.loading = true;
			saveData(params, true)
				.then((data) => {
					self.loading = false;
					if (data.code == 1) {
						ElMessage({
							message: '恭喜你，保存成功',
							type: 'success',
						});
						self.getData();
					} else {
						self.loading = false;
					}
				})
				.catch((error) => {
					self.loading = false;
				});
		},
		/*关闭弹窗*/
		closeProductDialogFunc(e) {
			this.isproduct = e.openDialog;
			if (e.type == 'success') {
				if (this.product_arr.indexOf(e.params.product_id) > -1) {
					ElMessage({
						message: '你已选中该商品',
						type: 'error',
					});
					return false;
				}
				let param = {};
				param.product_id = e.params.product_id;
				param.product_name = e.params.product_name;
				param.product_image = e.params.product_image;
				param.sort = 1;
				this.tableData.push(param);
				this.product_arr.push(e.params.product_id);
			}
		},
		/*添加商品*/
		addClick() {
			this.isproduct = true;
		},
		/*删除商品*/
		deleteClick(e) {
			let index = this.product_arr.indexOf(e.product_id);
			this.product_arr.splice(index, 1);
			this.tableData.splice(index, 1);
		},
		/*数据验证*/
		checkData(param) {
			if (!param.name) {
				return false;
			}
			if (param.location.length == 0) {
				ElMessage({
					message: '请选择展示位置',
					type: 'error',
				});
				return false;
			}
			if (param.choice == 1 && param.product.length == 0) {
				ElMessage({
					message: '请添加商品',
					type: 'error',
				});
				return false;
			}
			return true;
		},
	},
};
</script>

<style></style>